00540nam a22001577a 4500003000400000008004100004082001600045100003500061245016300096260003200259300001000291502001700301650004200318650001100360650001100371OSt260611b        |||||||| |||| 00| 0 eng d  a631.4bS48S  aDiwakar, Devendra Prasad Singh  aStudies on Some Heavy of Different Origin of Bihar with Special Reference to their Genesis Characterisation and ClassificationcDiwakar, Devendra Prasad Singh  aPusa, SamastipurbRAUc1988  a237P.  bPh.D. d1988  aSoil Science & Agricultural Chemistry  aPh.D.   aThesis